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Finding the Fourth Proportional to 117,248.81, 175,871.63 and 28,502.06

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Solution

The fourth proportional to 117,248.81, 175,871.63 and 28,502.06 is: 42,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,248.81 : 175,871.63 = 28,502.06 : x
  2. Step 2: Convert to fraction form
    117,248.81/175,871.63 = 28,502.06/x
  3. Step 3: Cross multiply
    117,248.81x = 175,871.63 × 28,502.06
  4. Step 4: Simplify right side
    117,248.81x = 5,012,702,942.45
  5. Step 5: Solve for x
    x = 5,012,702,942.45/117,248.81
  6. Step 6: Final answer
    x = 42,752.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.